79730199 has 12 divisors (see below), whose sum is σ = 117975312. Its totient is φ = 51856800.

The previous prime is 79730159. The next prime is 79730249. The reversal of 79730199 is 99103797.

It is not a de Polignac number, because 79730199 - 2¹² = 79726103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79730159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107667 + ... + 108404.

It is an arithmetic number, because the mean of its divisors is an integer number (9831276).

Almost surely, 2^79730199 is an apocalyptic number.

79730199 is a deficient number, since it is larger than the sum of its proper divisors (38245113).

79730199 is a wasteful number, since it uses less digits than its factorization.

79730199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216118 (or 216115 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 79730199 is about 8929.1768377606. The cubic root of 79730199 is about 430.4020019179.

The spelling of 79730199 in words is "seventy-nine million, seven hundred thirty thousand, one hundred ninety-nine".